package com.shangxia.dog.config.security;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.shangxia.dog.commom.vo.ResultVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author zhouya24
 * @date 2021/11/18 15:26
 * @apiNote 当未登录时或者token失效时 ，自定义的返回结果
 */

@Slf4j
@Component
public class RestAuthorizationEntryPoint implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) throws IOException, ServletException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        PrintWriter out = response.getWriter();
        ResultVO error = ResultVO.error("请登录");
        error.setCode(401);
        out.write(new ObjectMapper().writeValueAsString(error));
        out.flush();
        out.close();
    }
}
